No I did not mean that. I was pointing out that we don't know where connecting without a connection string is going to get you. And we don't know that the hr user doesn't have the create session privilege. Making the request questionable.

As I hinted to Gbenga, without a connection string you will be pointing to the default database most likely the CDB of your multitenant db. This is not the same DB that you would be doing your normal work on (like loading tables).

# This file is actually generated by netca. But if customers choose to # install "Software Only", this file wont exist and without the native # authentication, they will not be able to connect to the database on NT.

SQLNET.AUTHENTICATION_SERVICES= (NTS)

NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)

Yes it is all the same machine and I am doing on my personal laptop as below: